| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.car.settings.accounts; |
| |
| import android.accounts.AccountManager; |
| import android.accounts.AuthenticatorDescription; |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.car.userlib.CarUserManagerHelper; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.graphics.drawable.Drawable; |
| import android.os.Handler; |
| import android.os.UserHandle; |
| |
| import androidx.annotation.Nullable; |
| import androidx.annotation.VisibleForTesting; |
| import androidx.collection.ArrayMap; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceGroup; |
| |
| import com.android.car.settings.common.FragmentController; |
| import com.android.car.settings.common.PreferenceController; |
| import com.android.settingslib.accounts.AuthenticatorHelper; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Controller for showing the user the list of accounts they can add. |
| * |
| * <p>Largely derived from {@link com.android.settings.accounts.ChooseAccountActivity} |
| */ |
| public class ChooseAccountPreferenceController extends |
| PreferenceController<PreferenceGroup> implements |
| AuthenticatorHelper.OnAccountsUpdateListener { |
| private static final int ADD_ACCOUNT_REQUEST_CODE = 1; |
| |
| private final UserHandle mUserHandle; |
| private AuthenticatorHelper mAuthenticatorHelper; |
| private List<String> mAuthorities; |
| private Set<String> mAccountTypesFilter; |
| private Set<String> mAccountTypesExclusionFilter; |
| private ArrayMap<String, AuthenticatorDescriptionPreference> mPreferences = new ArrayMap<>(); |
| private boolean mIsStarted = false; |
| private boolean mHasPendingBack = false; |
| |
| public ChooseAccountPreferenceController(Context context, String preferenceKey, |
| FragmentController fragmentController, CarUxRestrictions uxRestrictions) { |
| super(context, preferenceKey, fragmentController, uxRestrictions); |
| mUserHandle = new CarUserManagerHelper(context).getCurrentProcessUserInfo().getUserHandle(); |
| |
| HashSet<String> accountTypeExclusionFilter = new HashSet<>(); |
| |
| // Hardcoding bluetooth account type |
| accountTypeExclusionFilter.add("com.android.bluetooth.pbapsink"); |
| setAccountTypesExclusionFilter(accountTypeExclusionFilter); |
| } |
| |
| /** Sets the authorities that the user has. */ |
| public void setAuthorities(List<String> authorities) { |
| mAuthorities = authorities; |
| } |
| |
| /** Sets the filter for accounts that should be shown. */ |
| public void setAccountTypesFilter(Set<String> accountTypesFilter) { |
| mAccountTypesFilter = accountTypesFilter; |
| } |
| |
| /** Sets the filter for accounts that should NOT be shown. */ |
| protected void setAccountTypesExclusionFilter(Set<String> accountTypesExclusionFilterFilter) { |
| mAccountTypesExclusionFilter = accountTypesExclusionFilterFilter; |
| } |
| |
| @Override |
| protected Class<PreferenceGroup> getPreferenceType() { |
| return PreferenceGroup.class; |
| } |
| |
| @Override |
| protected void updateState(PreferenceGroup preferenceGroup) { |
| forceUpdateAccountsCategory(); |
| } |
| |
| /** Initializes the authenticator helper. */ |
| @Override |
| protected void onCreateInternal() { |
| mAuthenticatorHelper = new AuthenticatorHelper(getContext(), mUserHandle, this); |
| } |
| |
| /** |
| * Registers the account update callback. |
| */ |
| @Override |
| protected void onStartInternal() { |
| mAuthenticatorHelper.listenToAccountUpdates(); |
| mIsStarted = true; |
| |
| if (mHasPendingBack) { |
| mHasPendingBack = false; |
| |
| // Post the fragment navigation because FragmentManager may still be executing |
| // transactions during onStart. |
| new Handler().post(() -> getFragmentController().goBack()); |
| } |
| } |
| |
| /** |
| * Unregisters the account update callback. |
| */ |
| @Override |
| protected void onStopInternal() { |
| mAuthenticatorHelper.stopListeningToAccountUpdates(); |
| mIsStarted = false; |
| } |
| |
| @Override |
| public void onAccountsUpdate(UserHandle userHandle) { |
| // Only force a refresh if accounts have changed for the current user. |
| if (userHandle.equals(mUserHandle)) { |
| forceUpdateAccountsCategory(); |
| } |
| } |
| |
| /** Forces a refresh of the authenticator description preferences. */ |
| private void forceUpdateAccountsCategory() { |
| Set<String> preferencesToRemove = new HashSet<>(mPreferences.keySet()); |
| List<AuthenticatorDescriptionPreference> preferences = |
| getAuthenticatorDescriptionPreferences(preferencesToRemove); |
| // Add all preferences that aren't already shown |
| for (int i = 0; i < preferences.size(); i++) { |
| AuthenticatorDescriptionPreference preference = preferences.get(i); |
| preference.setOrder(i); |
| String key = preference.getKey(); |
| getPreference().addPreference(preference); |
| mPreferences.put(key, preference); |
| } |
| |
| // Remove all preferences that should no longer be shown |
| for (String key : preferencesToRemove) { |
| getPreference().removePreference(mPreferences.get(key)); |
| mPreferences.remove(key); |
| } |
| } |
| |
| /** |
| * Returns a list of preferences corresponding to the account types the user can add. |
| * |
| * <p> Derived from |
| * {@link com.android.settings.accounts.ChooseAccountActivity#onAuthDescriptionsUpdated} |
| * |
| * @param preferencesToRemove the current preferences shown; will contain the preferences that |
| * need to be removed from the screen after method execution |
| */ |
| private List<AuthenticatorDescriptionPreference> getAuthenticatorDescriptionPreferences( |
| Set<String> preferencesToRemove) { |
| AuthenticatorDescription[] authenticatorDescriptions = AccountManager.get( |
| getContext()).getAuthenticatorTypesAsUser( |
| mUserHandle.getIdentifier()); |
| |
| ArrayList<AuthenticatorDescriptionPreference> authenticatorDescriptionPreferences = |
| new ArrayList<>(); |
| // Create list of account providers to show on page. |
| for (AuthenticatorDescription authenticatorDescription : authenticatorDescriptions) { |
| String accountType = authenticatorDescription.type; |
| CharSequence label = mAuthenticatorHelper.getLabelForType(getContext(), accountType); |
| Drawable icon = mAuthenticatorHelper.getDrawableForType(getContext(), accountType); |
| |
| List<String> accountAuthorities = |
| mAuthenticatorHelper.getAuthoritiesForAccountType(accountType); |
| |
| // If there are specific authorities required, we need to check whether they are |
| // included in the account type. |
| boolean authorized = |
| (mAuthorities == null || mAuthorities.isEmpty() || accountAuthorities == null |
| || !Collections.disjoint(accountAuthorities, mAuthorities)); |
| |
| // If there is an account type filter, make sure this account type is included. |
| authorized = authorized && (mAccountTypesFilter == null |
| || mAccountTypesFilter.contains(accountType)); |
| |
| // Check if the account type is in the exclusion list. |
| authorized = authorized && (mAccountTypesExclusionFilter == null |
| || !mAccountTypesExclusionFilter.contains(accountType)); |
| |
| // If authorized, add a preference for the provider to the list and remove it from |
| // preferencesToRemove. |
| if (authorized) { |
| AuthenticatorDescriptionPreference preference = mPreferences.getOrDefault( |
| accountType, |
| new AuthenticatorDescriptionPreference(getContext(), accountType, label, |
| icon)); |
| preference.setOnPreferenceClickListener( |
| pref -> onAddAccount(preference.getAccountType())); |
| authenticatorDescriptionPreferences.add(preference); |
| preferencesToRemove.remove(accountType); |
| } |
| } |
| |
| Collections.sort(authenticatorDescriptionPreferences, Comparator.comparing( |
| (AuthenticatorDescriptionPreference a) -> a.getTitle().toString())); |
| |
| return authenticatorDescriptionPreferences; |
| } |
| |
| /** Starts the {@link AddAccountActivity} to add an account for the given account type. */ |
| private boolean onAddAccount(String accountType) { |
| Intent intent = new Intent(getContext(), AddAccountActivity.class); |
| intent.putExtra(AddAccountActivity.EXTRA_SELECTED_ACCOUNT, accountType); |
| getFragmentController().startActivityForResult(intent, ADD_ACCOUNT_REQUEST_CODE, |
| this::onAccountAdded); |
| return true; |
| } |
| |
| private void onAccountAdded(int requestCode, int resultCode, @Nullable Intent data) { |
| if (requestCode == ADD_ACCOUNT_REQUEST_CODE) { |
| if (mIsStarted) { |
| getFragmentController().goBack(); |
| } else { |
| mHasPendingBack = true; |
| } |
| } |
| } |
| |
| /** Used for testing to trigger an account update. */ |
| @VisibleForTesting |
| AuthenticatorHelper getAuthenticatorHelper() { |
| return mAuthenticatorHelper; |
| } |
| |
| /** Handles adding accounts. */ |
| interface AddAccountListener { |
| /** Handles adding an account. */ |
| void addAccount(String accountType); |
| } |
| |
| private static class AuthenticatorDescriptionPreference extends Preference { |
| private final String mType; |
| |
| AuthenticatorDescriptionPreference(Context context, String accountType, CharSequence label, |
| Drawable icon) { |
| super(context); |
| mType = accountType; |
| |
| setKey(accountType); |
| setTitle(label); |
| setIcon(icon); |
| } |
| |
| private String getAccountType() { |
| return mType; |
| } |
| } |
| } |